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Do the leukocytes in the surface secretion on the adenoid have an immunological function?
M Ivarsson1, A Ebenfelt, C Lundberg
1Department of Otorhinolaryngology, Head and Neck Surgery, Sahlgrenska University Hospital, Göteborg, Sweden.
Acta Oto-Laryngologica
|January 27, 1998
Summary
Adenoid surface secretions in children contain numerous leukocytes, including granulocytes, B cells, T cells, and macrophages. This suggests a potential immune function for these cells in adenoid tissue.
Area of Science:
- Immunology
- Otorhinolaryngology
- Cell Biology
Background:
- Leukocytes are crucial for immune responses.
- The immunological role of leukocytes in adenoid surface secretions is not well understood.
Purpose of the Study:
- To investigate the presence and potential immunological function of leukocytes in adenoid surface secretions.
Main Methods:
- Collected imprint samples from adenoid surface secretions of children and mucosal areas of adults.
- Utilized May-Grünewald-Giemsa staining for cell morphology and spatial analysis.
- Employed immunohistochemical staining to identify granulocytes, B cells, T cells, and macrophages (CD antigens).
Main Results:
- Children's adenoid imprints showed abundant leukocytes, predominantly mononuclear cells.
- Adult samples had fewer leukocytes and more epithelial cells.
- Simultaneous presence of granulocytes, B cells, T cells, and macrophages was observed in most analyzed adenoid secretions from children, often in close proximity.
Conclusions:
- Adenoid surface secretions in children harbor a diverse population of immune cells.
- The co-localization of various leukocyte types suggests a potential functional immunological role in the adenoid.
- Further research is warranted to fully elucidate the immune mechanisms involving these cells.